18 of  May is birthday and commemoration Day of Omar Khayyam (18 May 1048 – 4 December 1131) Iranian poet and polymath known for his contributions to mathematics astronomy philosophy and Persian literature. His Persian poems are still resonant with wisdom and insightful in todays turbulent life. His poetry translation into English by Edward FitzGerald a British poet and writer (1809 –1883) made the considerable popularity of the of such verses in western countries.